#include<iostream>

using namespace std;

int main()
{
	unsigned long Arr[10];
	printf("sizeof unsigned long:%lu\n",sizeof *Arr);
	printf("%lu\n",sizeof Arr);
	printf("%lu\n",sizeof Arr / sizeof *Arr);
	constexpr size_t sz = sizeof(Arr)/sizeof(*Arr);
	int Arr2[sz];
	printf("%lu\n",sizeof Arr2);
	printf("%lu\n",sizeof Arr2 / sizeof *Arr2);
	return 0;

}
